#include <vector>
#include <iostream>
using std::vector;
using std::cout;
using std::cin;

vector <int> init_vector()
{
	vector<int> v1;

	//v1.push_back(3);
	//v1.push_back(4);

	return v1;
}

int main( )
{
	vector<int> v1;
	vector<int>::iterator iter;
	vector<int>::iterator mid;

	v1 = init_vector();

	if( v1.begin() == v1.end() )
	{
		return 0;
	}

	mid = v1.begin() + v1.size() / 2;

	cout << (unsigned int)*mid;

	return 1;
}
